D7QUANTAI/DispatchWeb/Content/Scripts/step_resize.js

$("div.order_status").each(function (i, v) {
    var statusObject = $(v);
    var parentWidth = statusObject.parent().width();
    var stepCount = statusObject.find("span.s-step").length;
    var everyWidth = parentWidth / (stepCount + 1);
    statusObject.css({
        paddingLeft: everyWidth
    });

    statusObject.find("span.s-step p").css({ width: everyWidth });
});